KPI Monitoring flow
This flow depicts the scenario of KPI computation: Collect data from Dmaap, do KPI computation and Publish KPI result to Dmaap, DL feeder will store both original pm data and KPI message to a special Database.
This flow depicts the scenario of KPI Query: DES get request, and get sql template via the request, generate sql query and send it to DB to get KPI result and response to DES.